@misc{indiciae95ff751f572a,
  title = {Type I or type II block?},
  author = {E W Hancock},
  year = {1991},
  doi = {10.1080/21548331.1991.11705304},
  url = {https://pubmed.ncbi.nlm.nih.gov/1918206/},
  note = {Source identifier: 1918206}
}